What countries is International Roaming available?

International Roaming is available in the following Countries:
Austria, Belgium, Brazil, Bulgaria, Cambodia, Canada, Chile, China, Colombia, Croatia, Czech Republic, Denmark, Egypt, Estonia, Fiji, Finland, France, Germany, Greece, Hongkong, Hungary, 
India, Indonesia, Ireland, Israel, Italy, Japan, Kenya, South Korea, Latvia, UK Channel Island (Guernsey), Lithuania, Luxembourg, Macao, Macedonia, Malaysia, Mexico, Netherlands, New 
Zealand, Nigeria, Norway, Papua New Guinea, Philippines, Poland, Portugal, Qatar, Romania, Russia, Samoa, Saudi Arabia, Singapore, Slovak Republic, Slovenia, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Thailand, Tonga, Turkey, UAE, UK, USA, Vanuatu, Vietnam, Isle of Man